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Posted 04-20-2019 04:43 PM
(623 views)
For mutation typeB, how to compare the effect of typeB during the first year (days<365) and the effect after the first year (days>365)? What statistical test for it?
Days Number of days from diagnosis until death or last follow-up
Status (1 if died; =0 if right-censored)
TypeB (1 if genetic mutation B,0 if no genetic mutation B)
Obs | Days | Status | TypeB |
1 | 88 | 0 | 0 |
2 | 202 | 0 | 0 |
3 | 25 | 1 | 0 |
4 | 335 | 0 | 0 |
5 | 372 | 0 | 0 |
6 | 394 | 0 | 0 |
7 | 859 | 1 | 1 |
8 | 183 | 0 | 0 |
9 | 14 | 1 | 1 |
10 | 1471 | 0 | 1 |
11 | 47 | 0 | 0 |
12 | 302 | 1 | 1 |
13 | 667 | 1 | 1 |
14 | 468 | 1 | 1 |
15 | 444 | 0 | 0 |
16 | 501 | 1 | 1 |
17 | 750 | 1 | 0 |
18 | 120 | 1 | 0 |
19 | 268 | 1 | 1 |